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5 Cards in this Set
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What unique toxin tends to distinguish hospital MRSA and community-acquired MRSA?
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Panton-Valentine leucocidin (PVL)
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What soap is recommended for hand washing to prevent recurrence of MRSA
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chlorhexidine
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What ability does S. aureus have that helps it produce such a wide variety of infections and gain resistance to antibiotics?
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It picks up genes from other organisms by lateral transfer(up to 30% of its genetic material)
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1)What is the predominant clone of communiy-acquired MRSA?
2) Why? |
1) USA300 (90-99%)
2) It doubles 1.25x faster than standard strains |
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1) What is initial IV treatment of staphilococcus infections in hospital?
2) What IV drugs should be used when organism is known? (2 alternatives) |
1) Initial treatment:
Nafcillin (covers MSSA) Vancomycin (covers MRSA, but is slowly bacteriocidal) 2) When organism known: Nafcillin for MSSA Clindamycin for suseptible strains of MRSA |
